9921340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3469}}^1$

素因数の和:3502

約数の個数: 48

約数和(自身を含む): 24484320

約数和(自身を除く): 14562980

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 3469, 6938, 13876, 17345, 34690, 38159, 45097, 69380, 76318, 90194, 152636, 180388, 190795, 225485, 381590, 450970, 496067, 763180, 901940, 992134, 1984268, 2480335, 4960670, 9921340]

約数ペア:

[(1, 9921340), (2, 4960670), (4, 2480335), (5, 1984268), (10, 992134), (11, 901940), (13, 763180), (20, 496067), (22, 450970), (26, 381590), (44, 225485), (52, 190795), (55, 180388), (65, 152636), (110, 90194), (130, 76318), (143, 69380), (220, 45097), (260, 38159), (286, 34690), (572, 17345), (715, 13876), (1430, 6938), (2860, 3469)]